Stephen Errol Nanton, M.D.
Pediatric Gastroenterology Physician · Sioux Falls, SD
Stephen Errol Nanton, M.D. is a pediatric gastroenterology physician with a practice address in Sioux Falls, South Dakota, and NPI 1770559007, issued on Feb 27, 2006. Check the license (South Dakota 5614, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Stephen Errol Nanton
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- 5614 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1417 S. Cliff Ave, Sioux Falls, SD 57105
- Phone
- (605) 322-3666
- Enumerated
- Feb 27, 2006
- Record last updated
- Oct 16, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (605) 322-3665
- Medicaid IDs
- 46022474339 NE
0594416 IA
6005150 SD
13414 ND - Entity
- Type 1 · individual
Also registered at 1417 S. Cliff Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sami Awadallah, M.D.Pediatric Cardiology Physician1265408728
- Ashutosh Gupta, M.D.Pediatric Endocrinology Physician1114993680
- Laura Hua, CNPFamily Nurse Practitioner1013490127
- Brenda Kallemeyn, MDObstetrics & Gynecology Physician1144237280
- Wilfredo Veloira, M.D.Pediatric Pulmonology Physician1578539037
Verify Stephen Errol Nanton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 5614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $28.96
1 payment: food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 1,184 providers of this specialty with any payment received $2,585.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Pediatric Gastroenterology Physician providers in South Dakota
There are 4 pediatric gastroenterology physician records in South Dakota.
Other pediatric gastroenterology physician records in South Dakota
- Tonya Adamiak, M.D.Sioux Falls, SD1174570659
- Moises Alatorre Jimenez, MDSioux Falls, SD1205324530
- Brock Doubledee, D.O.Sioux Falls, SD1013994730
Common questions
What is Stephen Errol Nanton, M.D.'s NPI number?
Stephen Errol Nanton, M.D.'s National Provider Identifier (NPI) is 1770559007, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Errol Nanton, M.D. located?
The NPPES record lists a practice address at 1417 S. Cliff Ave, Sioux Falls, SD, 57105. Phone: (605) 322-3666. Providers update this record themselves, so call before visiting.
How can I verify Stephen Errol Nanton, M.D.'s license?
NPPES lists South Dakota license number 5614, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.